息切 いきぎ
ikigire

Noun
Suru Verb

1. shortness of breath; panting; puffing

Intransitive
ぷん はしらないうちに息切 いきぎれしてしまった。
gofunto hashiranai uchini ikigire shite shimatta.
I had not run five minutes when I got out of breath.
Noun
Suru Verb

2. running out of steam (of the economy, a project, etc.); losing momentum; loss of efficiency

Intransitive
こん学期 がっき本当 ほんと息切 いきぎれした かんじだわ。
kongakkiwa hontōni ikigire shita kanjida. wa
I seem to have run out of steam this term.